First batch of UI changes

[mirekdlugosz]

These changes are done by running camayoc/tests/qpc/ui/test_playwright_demo.py::test_demo_endtoend until it started to pass. However:

• I only tested Satellite and VCenter credentials. We don't have any coverage for Ansible and OpenShift, which were added after UI tests were implemented. I decided to skip Network scans for now, as Network form is much more complex and see next point
• I had to do a lot of changes in form models, which are not included here. For a lot of form elements, we lost nice ids and now we have to match label by text and get input / button relative to label. I think instead of using terrible locators, it's better to work on quipucords-ui on bringing back nice ids.

So, this is not enough to start running any UI tests, but that's probably most I can do before I resume work on pipelines.

[codecov[bot]]

Codecov Report

Merging #429 (64d2c51) into main (2ea8ce3) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #429   +/-   ##
=======================================
  Coverage   79.11%   79.11%           
=======================================
  Files           5        5           
  Lines         249      249           
=======================================
  Hits          197      197           
  Misses         52       52           

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